# SDR 8HBR20170710005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2017
- Submitted: July 10, 2017
- Operation: General aviation
- Filed by: [Hillsboro Aero Academy LLC, repair station 8HBR698C](https://openairdocs.org/faa-repair-station/8HBR698C/hillsboro-aero-academy-llc.md) (OpenAirDocs)
- Aircraft: [N65259](https://openairdocs.org/aircraft/N65259), registered now
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Engine: Lyc O320D2J
- Engine time: 1,830 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Cracked
- Location: Nr 1
- Stage of operation: TX
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20170710005

## Discrepancy

PILOT REPORTED ROUGH RUNNING ENGINE.  THE NR 1 CYLINDER WAS FOUND CRACKED FOUR INCHES ACROSS THE INTAKE VALVE.

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